Granted Patent
Utility
US 6,541,921 · App. 10/045,504
Illumination intensity control in electroluminescent display
Inventors:
Robert A. Luciano, Jr., William K. Bertram, Alexander Prokop, Richard L. Hicksted
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Oct 17, 2001
Inventors
Robert A. Luciano, Jr.
William K. Bertram
Alexander Prokop
Richard L. Hicksted
Assignee (at issue)
SIERRA DESIGN GROUP
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.